<%--
  Created by IntelliJ IDEA.
  User: Administrator
  Date: 2020/9/28
  Time: 16:54
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
    <%
        Object obj1 = pageContext.getAttribute("A",1);
        Object obj2 = request.getAttribute("A");
        Object obj3 = session.getAttribute("A");
        Object obj4 = application.getAttribute("A");
        out.print(obj1+"<br/>");
        out.print(obj2+"<br/>");
        out.print(obj3+"<br/>");
        out.print(obj4+"<br/>");
    %>
</body>
</html>
